How to calculate motor current for 3 ph & 1 Ph motor from KW rating?

3 Answers  

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why we use two slope(differential & restraining) in differential relay.but in busbar protection differential we are using only one slope?please explain

0 Answers   ISRO,

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When we have earthing mesh or underground earthing network in industrial plants, weather we have NT-S or NT-C-S kind of earthing system, so eventually weather we must use 4 or 5 wire in 400 volt level (For example 3×150+70 mm2 or 5×150 mm2) in this connection I would like to know exactly the paragraph of IEC or IEEE number

0 Answers   TATA,

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how do you calculate IKW(consumption per TR) in HVAC?

27 Answers   Aircon, CBRE, Cipla, Clivet, Cushman Wakefield, JLL, Sodexo, Voltas, Wipro,

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what is a difference b/w earthing & neutral?

5 Answers   ABB, KEC, Sterlite,

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what is current actully?significance of current...not rate of change of flow.....

3 Answers  

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how to calculate the current carrying capacity of a conductor. How it is related to diameter of cable or conductor

3 Answers   AGC, BARC,

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what is self commutation how a thyristor discharges through a capacitor and inductor

3 Answers  

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Working of microwave oven?

0 Answers   LG,

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MCB is used for high rating &MCB is used for lower rating.What is technical difference between ACB & MCB?

7 Answers  

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Which is the best protection in case of shortcircut fuses or mccb ?

2 Answers  

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What are the application of Under voltage release?

2 Answers   Techno Electric and Engineering,

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